123     unsigned Def = MI->getOperand(0).getReg();  in trackCopy()  local
127     for (MCRegUnitIterator RUI(Def, &TRI); RUI.isValid(); ++RUI)  in trackCopy()
135       if (!is_contained(Copy.DefRegs, Def))  in trackCopy()
136         Copy.DefRegs.push_back(Def);  in trackCopy()
212   bool eraseIfRedundant(MachineInstr &Copy, unsigned Src, unsigned Def);
253                       unsigned Def, const TargetRegisterInfo *TRI) {  in isNopCopy()  argument
257     assert(Def == PreviousDef);  in isNopCopy()
263   return SubIdx == TRI->getSubRegIndex(PreviousDef, Def);  in isNopCopy()
270                                               unsigned Def) {  in eraseIfRedundant()  argument
273   if (MRI->isReserved(Src) || MRI->isReserved(Def))  in eraseIfRedundant()
277   MachineInstr *PrevCopy = Tracker.findAvailCopy(Copy, Def, *TRI);  in eraseIfRedundant()
284   if (!isNopCopy(*PrevCopy, Src, Def, TRI))  in eraseIfRedundant()
293   assert(CopyDef == Src || CopyDef == Def);  in eraseIfRedundant()
460       unsigned Def = MI->getOperand(0).getReg();  in CopyPropagateBlock()  local
463       assert(!TargetRegisterInfo::isVirtualRegister(Def) &&  in CopyPropagateBlock()
482       if (eraseIfRedundant(*MI, Def, Src) || eraseIfRedundant(*MI, Src, Def))  in CopyPropagateBlock()
505       if (!MRI->isReserved(Def))  in CopyPropagateBlock()
515       Tracker.clobberRegister(Def, *TRI);  in CopyPropagateBlock()